Home / 158,381,390,650.88-218,570,461,481.28-86,127,681,338.40

Finding the Fourth Proportional to 158,381,390,650.88, 218,570,461,481.28 and 86,127,681,338.40

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Solution

The fourth proportional to 158,381,390,650.88, 218,570,461,481.28 and 86,127,681,338.40 is: 118,858,452,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,381,390,650.88 : 218,570,461,481.28 = 86,127,681,338.40 : x
  2. Step 2: Convert to fraction form
    158,381,390,650.88/218,570,461,481.28 = 86,127,681,338.40/x
  3. Step 3: Cross multiply
    158,381,390,650.88x = 218,570,461,481.28 × 86,127,681,338.40
  4. Step 4: Simplify right side
    158,381,390,650.88x = 18,824,967,056,446,713,757,696
  5. Step 5: Solve for x
    x = 18,824,967,056,446,713,757,696/158,381,390,650.88
  6. Step 6: Final answer
    x = 118,858,452,871.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.